1 /*
2  * Copyright 2009-2017 Alibaba Cloud All rights reserved.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 #include <stdint.h>
19 #include <cstddef>
20 namespace AlibabaCloud
21 {
22 namespace OSS
23 {
24     class CRC32
25     {
26     public:
27         static uint32_t CalcCRC(uint32_t crc, const void *buf, size_t bufLen);
28     };
29 }
30 }
31 
32